<?php

namespace App\Appointment\Controller;

use App\Appointment\Entity\Appointment;
use App\Auth\Entity\User;
use App\Clinic\Repository\ClinicRepository;
use App\Doctor\Repository\DoctorRepository;
use App\Secretary\Repository\DoctorSecretaryRepository;
use App\Shared\Controller\BaseController;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Attribute\CurrentUser;
use Symfony\Component\Security\Http\Attribute\IsGranted;

class MyAppointmentsController extends BaseController
{
    public function __construct(
        private readonly EntityManagerInterface    $em,
        private readonly DoctorRepository          $doctorRepo,
        private readonly ClinicRepository          $clinicRepo,
        private readonly DoctorSecretaryRepository $secretaryRepo,
    ) {}

    #[Route('/api/v1/my/appointments', methods: ['GET'])]
    #[IsGranted('IS_AUTHENTICATED_FULLY')]
    public function myAppointments(Request $request, #[CurrentUser] User $user): JsonResponse
    {
        $page   = max(1, (int) $request->query->get('page', 1));
        $limit  = min(100, max(1, (int) $request->query->get('limit', 15)));
        $search = trim((string) $request->query->get('search', ''));
        $status = trim((string) $request->query->get('status', ''));
        $date   = trim((string) $request->query->get('date', ''));

        $qb = $this->em->createQueryBuilder()
            ->select(
                'a.uuid, a.slotStart, a.slotEnd, a.status, a.createdAt',
                'd.uuid as doctor_uuid, d.name as doctor_name',
                'u.mobileNumber as patient_mobile, u.realName as patient_name',
                'c.name as clinic_name'
            )
            ->from(Appointment::class, 'a')
            ->join('a.doctor', 'd')
            ->join('a.user', 'u')
            ->leftJoin('App\Clinic\Entity\Clinic', 'c', 'WITH', 'd MEMBER OF c.doctors')
            ->orderBy('a.slotStart', 'DESC');

        $roles = $user->getRoles();

        if (in_array('ROLE_ADMIN', $roles, true)) {
            // Admin voit tout
        } elseif (in_array('ROLE_CLINIC', $roles, true)) {
            $clinic = $this->clinicRepo->findByUser($user);
            if ($clinic === null) {
                return $this->paginated([], 0, $page, $limit);
            }
            $qb->andWhere(':clinic MEMBER OF d.clinics')
               ->setParameter('clinic', $clinic);
        } elseif (in_array('ROLE_DOCTOR', $roles, true)) {
            $doctor = $this->doctorRepo->findByUser($user);
            if ($doctor === null) {
                return $this->paginated([], 0, $page, $limit);
            }
            $qb->andWhere('a.doctor = :doctor')
               ->setParameter('doctor', $doctor);
        } elseif (in_array('ROLE_SECRETARY', $roles, true)) {
            $rel = $this->secretaryRepo->findActiveBySecretary($user);
            if ($rel === null) {
                return $this->paginated([], 0, $page, $limit);
            }
            $canView = (bool) ($rel->getPermissions()['resources']['appointments']['view'] ?? false);
            if (!$canView) {
                return $this->paginated([], 0, $page, $limit);
            }
            $qb->andWhere('a.doctor = :doctor')
               ->setParameter('doctor', $rel->getDoctor());
        } else {
            return $this->paginated([], 0, $page, $limit);
        }

        if ($search !== '') {
            $qb->andWhere('u.mobileNumber LIKE :s OR d.name LIKE :s OR u.realName LIKE :s')
               ->setParameter('s', '%' . $search . '%');
        }
        if ($status !== '') {
            $qb->andWhere('a.status = :status')->setParameter('status', $status);
        }
        if ($date !== '') {
            $dayStart = strtotime($date . ' 00:00:00');
            $dayEnd   = strtotime($date . ' 23:59:59');
            if ($dayStart && $dayEnd) {
                $qb->andWhere('a.slotStart >= :dayStart AND a.slotStart <= :dayEnd')
                   ->setParameter('dayStart', $dayStart)
                   ->setParameter('dayEnd', $dayEnd);
            }
        }

        $total = (clone $qb)->select('COUNT(a.id)')->getQuery()->getSingleScalarResult();

        $rows = $qb->setFirstResult(($page - 1) * $limit)->setMaxResults($limit)
                   ->getQuery()->getArrayResult();

        $items = array_map(fn(array $a) => [
            'uuid'             => $a['uuid'],
            'patient_name'     => $a['patient_name'] ?? '',
            'patient_mobile'   => $a['patient_mobile'],
            'doctor_name'      => $a['doctor_name'],
            'clinic_name'      => $a['clinic_name'] ?? null,
            'appointment_date' => date('Y-m-d', (int) $a['slotStart']),
            'appointment_time' => date('H:i', (int) $a['slotStart']),
            'slot_start'       => (int) $a['slotStart'],
            'status'           => $a['status'],
            'amount'           => 0,
            'created_at'       => date('c', (int) $a['createdAt']),
        ], $rows);

        return $this->paginated($items, (int) $total, $page, $limit);
    }
}